Finding the Fourth Proportional to 147,034.96, 220,197.17 and 83,663.08
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Solution
The fourth proportional to 147,034.96, 220,197.17 and 83,663.08 is: 125,292.47
Step by Step Solution
- Step 1: Write the proportion equation
147,034.96 : 220,197.17 = 83,663.08 : x - Step 2: Convert to fraction form
147,034.96/220,197.17 = 83,663.08/x - Step 3: Cross multiply
147,034.96x = 220,197.17 × 83,663.08 - Step 4: Simplify right side
147,034.96x = 18,422,373,108.15 - Step 5: Solve for x
x = 18,422,373,108.15/147,034.96 - Step 6: Final answer
x = 125,292.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.